Advisoriesby IbisMicrosoftCVE-2026-68880
Microsoft Windows Win32K: heap buffer overflow
Fix: upgrade to 16.112.26090911 or later (3 fixed versions below)
Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges over a network.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Microsoft Office 365 for Mac Product | >= 1.0.0, < 16.112.26090911 | 16.112.26090911 |
| Microsoft Office LTSC for Mac 2021 Product | >= 16.0.1, < 16.112.26090911 | 16.112.26090911 |
| Microsoft Office LTSC for Mac 2024 Product | >= 16.0.0, < 16.112.26090911 | 16.112.26090911 |
| Microsoft Office for Android Product | >= 16.0.1, < 16.0.20430.20000 | 16.0.20430.20000 |
Changes since it was listed
Fixed in: Windows 10 Version 1607 10.0.14393.9512, Windows 10 Version 1809 10.0.17763.9245, Windows 10 Version 21H2 10.0.19044.772 to Microsoft Office 365 for Mac 16.112.26090911, Microsoft Office for Android 16.0.20430.20000, Microsoft Office LTSC for Mac 2021 16.112.26090911